CA369807A - Valve for rock drills - Google Patents

Valve for rock drills

Info

Publication number
CA369807A
CA369807A CA369807A CA369807DA CA369807A CA 369807 A CA369807 A CA 369807A CA 369807 A CA369807 A CA 369807A CA 369807D A CA369807D A CA 369807DA CA 369807 A CA369807 A CA 369807A
Authority
CA
Canada
Prior art keywords
valve
rock drills
drills
rock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA369807A
Other languages
French (fr)
Inventor
William A. Smith, Sr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA369807A publication Critical patent/CA369807A/en
Expired legal-status Critical Current

Links

CA369807A Valve for rock drills Expired CA369807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA369807T

Publications (1)

Publication Number Publication Date
CA369807A true CA369807A (en) 1937-11-09

Family

ID=35370873

Family Applications (1)

Application Number Title Priority Date Filing Date
CA369807A Expired CA369807A (en) Valve for rock drills

Country Status (1)

Country Link
CA (1) CA369807A (en)

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